144445515061 has 2 divisors, whose sum is σ = 144445515062. Its totient is φ = 144445515060.

The previous prime is 144445514951. The next prime is 144445515083. The reversal of 144445515061 is 160515544441.

144445515061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128231312836 + 16214202225 = 358094^2 + 127335^2 .

It is a cyclic number.

It is not a de Polignac number, because 144445515061 - 2²⁹ = 143908644149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144445515761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72222757530 + 72222757531.

It is an arithmetic number, because the mean of its divisors is an integer number (72222757531).

Almost surely, 2^144445515061 is an apocalyptic number.

It is an amenable number.

144445515061 is a deficient number, since it is larger than the sum of its proper divisors (1).

144445515061 is an equidigital number, since it uses as much as digits as its factorization.

144445515061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 144445515061 in words is "one hundred forty-four billion, four hundred forty-five million, five hundred fifteen thousand, sixty-one".